When NaH combines with water, OH - ions are produced. This shows that NaH is an acid.

true or false

Which substance has the highest density at room temperature?

If state troopers were instructed to write a ticket for any motorist going 1 mph over the speed limit, one could argue that this department was operating under what style of policing?

Why are jovian planets so much larger than terrestrial planets?

A 35-kg boy is riding an 18-kg bicycle down a path. The bicycle is moving at 11 m/s.

Fusion is the change of phase from: O gas to liquid O liquid to solid O liquid to gas O solid to liquid

One watt is equal to which of these values? 1 joule/hour 1 joule-hour 1 joule/second 1 joule-second

What are some of the benefits of learned optimism that have been found in research? O A. Fewer health problems O O B. All of these C. Making more money O D. A lower divorce rate

Katie runs 6 km in 0.6 hour, then 5 km in 0.5 hour. Katie's average speed is __ per hour.

A derived unit is a combination of fundamental units. Which of the following is an example of a derived unit? a) centimeter (used to measure distance) b) gram (used to measure mass) c) cubic centimeter (used to measure volume)

Technician A says that a heater core leak can be the result of the coolant wearing a hole through the core. Technician B says that a core leak can be caused by chemical action eating a hole through the core. Who is correct?